228 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
fertile lemma chartaceous- indurate , typically obtuse, the nerves 
obsolete, the margins inrollecl over an inclosed palea of the same tex- 
Fig. 137. — Paspalum laeve. Plant, X I ; two views of spikelet and fertile floret, X 10. 
ture, a lunate line of thinner texture at the back just above the base, 
the rootlet protruding through this at germination. 
